Hexagonal exhaust stack for transportation vehicle



FIG. 1 is a three dimensional view of an hexagonal exhaust stack fortransportation vehicle such as a truck;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

CLAIM The ornamental design of an hexagonal exhaust stack fortransportation vehicle, as shown and described.